Home / 35,771,331.90-53,674,712.55-20,430,401.70

Finding the Fourth Proportional to 35,771,331.90, 53,674,712.55 and 20,430,401.70

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Solution

The fourth proportional to 35,771,331.90, 53,674,712.55 and 20,430,401.70 is: 30,655,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771,331.90 : 53,674,712.55 = 20,430,401.70 : x
  2. Step 2: Convert to fraction form
    35,771,331.90/53,674,712.55 = 20,430,401.70/x
  3. Step 3: Cross multiply
    35,771,331.90x = 53,674,712.55 × 20,430,401.70
  4. Step 4: Simplify right side
    35,771,331.90x = 1,096,595,938,528,531.25
  5. Step 5: Solve for x
    x = 1,096,595,938,528,531.25/35,771,331.90
  6. Step 6: Final answer
    x = 30,655,720.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.